Product comparison · 2 pcs/workstations

HP dc7900 CMT + LE1851w vs Lenovo ThinkStation S20 (410596G), HU

58specifications compared
36differ
22identical
70known for one product only

Key differences

Processor family
- dc7900 CMT + LE1851w:Intel® Core™2 Duo
- ThinkStation S20 (410596G), HU:Intel® Xeon® 3000 Sequence
Processor model
- dc7900 CMT + LE1851w:E8500
- ThinkStation S20 (410596G), HU:W3503
Processor frequency
- dc7900 CMT + LE1851w:3.16 GHz
- ThinkStation S20 (410596G), HU:2.4 GHz
Processor cache
- dc7900 CMT + LE1851w:6 MB
- ThinkStation S20 (410596G), HU:4 MB
Processor cache type
- dc7900 CMT + LE1851w:L2
- ThinkStation S20 (410596G), HU:Smart Cache
Processor front side bus
- dc7900 CMT + LE1851w:1333 MHz
- ThinkStation S20 (410596G), HU:1066 MHz
Bus type
- dc7900 CMT + LE1851w:FSB
- ThinkStation S20 (410596G), HU:QPI
Thermal Design Power (TDP)
- dc7900 CMT + LE1851w:65 W
- ThinkStation S20 (410596G), HU:130 W

Side by side

Differences highlightedShow differences only

Comparison of dc7900 CMT + LE1851w, ThinkStation S20 (410596G), HU
128 specifications	A HP dc7900 CMT + LE1851w View product	B Lenovo ThinkStation S20 (410596G), HU View product
Processor10 differ
Processor familyDiffers	Intel® Core™2 Duo	Intel® Xeon® 3000 Sequence
Processor modelDiffers	E8500	W3503
Processor frequencyDiffers	3.16 GHz	2.4 GHz
Processor cacheDiffers	6 MB	4 MB
Processor cache typeDiffers	L2	Smart Cache
Processor front side busDiffers	1333 MHz	1066 MHz
Bus typeDiffers	FSB	QPI
FSB ParityKnown for one	No	Unknown — not stated by the source
Processor seriesKnown for one	Intel Core 2 Duo E8000 Series	Unknown — not stated by the source
Processor codenameKnown for one	Wolfdale	Unknown — not stated by the source
Processor system typeKnown for one	DP	Unknown — not stated by the source
Thermal Design Power (TDP)Differs	65 W	130 W
TcaseKnown for one	72.4 °C	Unknown — not stated by the source
Processor socketDiffers	LGA 775 (Socket T)	Socket B (LGA 1366)
Number of Processing Die TransistorsKnown for one	410 M	Unknown — not stated by the source
Processing Die sizeKnown for one	107 mm²	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	9.5	Unknown — not stated by the source
Processor core voltage (AC)Known for one	0.850/1.3625 V	Unknown — not stated by the source
SteppingKnown for one	C0	Unknown — not stated by the source
ECC supported by processorDiffers	No	Yes
System bus rateKnown for one	Unknown — not stated by the source	4.8 GT/s
Number of QPI linksKnown for one	Unknown — not stated by the source	1
Number of processors installedKnown for one	Unknown — not stated by the source	1
Maximum internal memory supported by processorKnown for one	Unknown — not stated by the source	24 GB
Memory types supported by processorKnown for one	Unknown — not stated by the source	DDR3-SDRAM
Memory clock speeds supported by processorKnown for one	Unknown — not stated by the source	800,1066 MHz
Memory bandwidth supported by processor (max)Known for one	Unknown — not stated by the source	25.6 GB/s
Memory4 differ
Internal memoryDiffers	2 GB	6 GB
Maximum internal memoryDiffers	16 GB	12 GB
Internal memory typeDiffers	DDR2-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Differs	2 x 1 GB	3 x 2 GB
Memory clock speedKnown for one	Unknown — not stated by the source	1066 MHz
Memory channelsKnown for one	Unknown — not stated by the source	Triple-channel
Storage1 differ
Total storage capacityKnown for one	250 GB	Unknown — not stated by the source
Optical drive typeDiffers	DVD±RW	DVD-RW
Floppy drive installedKnown for one	No	Unknown — not stated by the source
HDD capacityKnown for one	Unknown — not stated by the source	500 GB
Compatible memory cardsKnown for one	Unknown — not stated by the source	CF, MMC, SD, xD
Graphicsidentical
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Intel® GMA 4500M	Unknown — not stated by the source
Performance1 differ
Product typeDiffers	PC	Workstation
Networkidentical
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Wi-FiKnown for one	No	Unknown — not stated by the source
Networking featuresKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	8	10
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
VGA (D-Sub) ports quantityDiffers	1	0
DVI portKnown for one	No	Unknown — not stated by the source
PS/2 ports quantityDiffers	2	0
Firewire (IEEE 1394) portsDiffers	0	2
Line-inKnown for one	Unknown — not stated by the source	Yes
eSATA ports quantityKnown for one	Unknown — not stated by the source	1
Power2 differ
Power requirementsDiffers	90 – 264 / 100 – 240 VAC, 50/60 Hz	100-240V; 50/60Hz
Power supplyDiffers	365 W	625 W
Design1 differ
Chassis typeDiffers	Mini Tower	Tower
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Country of originKnown for one	China	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows Vista Business	Windows 7 Professional
Bundled softwareKnown for one	HP ProtectTools Security Software Suite Version 4.0, HP Power Manager, HP Firefox Virtual Browser, HP Backup & Recovery Manager, HP Insight Diagnostics Software, Computer Setup Utility, Roxio Creator Business 10 or DVD 10 / Easy Media Creator 9.0, Intervideo WinDVD 8 LE, PDF Complete	Unknown — not stated by the source
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows XP Pro SP1/SP2 32/64-bit Red Hat Enterprise Linux 5.0 Windows Vista 32/64-bit Windows Vista Enterprise 32/64-bit Windows Vista Ultimate 32/64-bit
Display1 differ
Display includedDiffers	Yes	No
Display diagonalKnown for one	47 cm (18.5")	Unknown — not stated by the source
Display resolutionKnown for one	1366 x 768 pixels	Unknown — not stated by the source
Contrast ratio (typical)Known for one	1000:1	Unknown — not stated by the source
Display brightnessKnown for one	250 cd/m²	Unknown — not stated by the source
Viewing angle, horizontalKnown for one	160°	Unknown — not stated by the source
Viewing angle, verticalKnown for one	160°	Unknown — not stated by the source
Processor special features6 differ
Intel Clear Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel Demand Based SwitchingDiffers	No	Yes
Intel Dual Display Capable TechnologyKnown for one	No	Unknown — not stated by the source
Intel Enhanced Halt StateKnown for one	Yes	Unknown — not stated by the source
Intel FDI TechnologyKnown for one	No	Unknown — not stated by the source
Intel Fast Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Flex Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Rapid Storage TechnologyKnown for one	No	Unknown — not stated by the source
Intel Trusted Execution TechnologyDiffers	Yes	No
Intel VT-x with Extended Page Tables (EPT)Differs	No	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Yes	Unknown — not stated by the source
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	No	Unknown — not stated by the source
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	No	Unknown — not stated by the source
Intel® InTru™ 3D TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Insider™Known for one	No	Unknown — not stated by the source
Intel® Wireless Display (Intel® WiDi)Known for one	No	Unknown — not stated by the source
Processor ARK IDDiffers	33911	40800
Processor codeKnown for one	SLAPK	Unknown — not stated by the source
Processor package sizeDiffers	37.5 x 37.5 mm	42.5 x 45 mm
Thermal Monitoring TechnologiesDiffers	Yes	No
Intel® Quick Sync Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)Known for one	No	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)Known for one	No	Unknown — not stated by the source
Conflict-Free processorKnown for one	No	Unknown — not stated by the source
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	Yes
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE4.2
Audio1 differ
Audio systemDiffers	High Definition Audio	ADI 1988 A
Weight & dimensions4 differ
WidthDiffers	177 mm	175 mm
DepthDiffers	452 mm	460 mm
HeightDiffers	447 mm	478 mm
WeightDiffers	11.8 kg	16.3 kg
Packaging contentidentical
Remote control includedKnown for one	No	Unknown — not stated by the source
Mouse includedKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
TV tuner integratedKnown for one	No	Unknown — not stated by the source
Optical driveidentical
CD read speedKnown for one	Unknown — not stated by the source	40x
Expansion slotsidentical
PCI Express x16 slotsKnown for one	Unknown — not stated by the source	1
PCI slotsKnown for one	Unknown — not stated by the source	2
Keyboardidentical
Keyboard typeKnown for one	Unknown — not stated by the source	Preferred Pro USB

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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